Mug



FIG. 1 is a perspective View of a mug;

FIG. 2 is a front View thereof;

FIG. 3 is a rear View thereof;

FIG. 4 is a left side View thereof;

FIG. 5 is a right side View thereof;

FIG. 6 is a top View thereof; and,

FIG. 7 is a bottom View thereof. 

CLAIM The ornamental design for a mug, as shown and described. 